/**
* Attempts to translate this route's target to a function within a controller class.
*
* @param Context $context
* @return array
* @throws RoutingException
*/
private function translateToClassCallable(Context $context)
{
// Load the class and create an instance of it
$targetParts = explode('@', strval($this->getTarget()), 2);
$targetClass = $targetParts[0];
$targetFuncName = count($targetParts) > 1 ? $targetParts[1] : 'action';
if (!class_exists($targetClass, true)) {
throw new RoutingException('Could not locate class: ' . $targetClass);
}
$classObj = null;
// Invoke constructor with dependency injection
$parameterList = $context->determineParamValuesForConstructor($targetClass);
try {
$reflection = new \ReflectionClass($targetClass);
$classObj = $reflection->newInstanceArgs($parameterList);
} catch (\TypeError $ex) {
throw new RoutingException('Type error thrown when calling constructor on ' . $targetClass, 0, $ex);
}
// Verify target function and return a callable
$targetFunc = [$classObj, $targetFuncName];
if (!is_callable($targetFunc)) {
throw new RoutingException('Route target function is not callable: ' . $this->getTarget());
}
return $targetFunc;
}
